YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.00 | b | 77.52 | 73.81 | 72.50 | 56.16 | 40.20 | 34.61 | 60.83 | e | ||||||
1963 | 32.45 | 46.07 | 47.06 | 49.20 | ----- | z | 68.77 | 74.29 | 79.32 | 75.20 | 58.39 | 40.40 | 32.32 | 54.86 | a | |||||||||||
1964 | 34.35 | 40.86 | 42.39 | 48.96 | b | 58.43 | a | 66.90 | 77.55 | 74.16 | 70.93 | a | 65.68 | 40.63 | 28.77 | 54.14 | ||||||||||
1965 | 34.19 | 41.86 | 48.87 | a | 55.07 | 59.97 | a | 71.67 | 81.10 | 77.77 | a | 70.73 | 62.87 | a | ----- | z | ----- | z | 60.41 | b | ||||||
1966 | ----- | z | 39.75 | 44.48 | 54.38 | a | 67.84 | 66.23 | 75.97 | a | 78.65 | 72.37 | 53.90 | 41.77 | 34.13 | 57.22 | a | |||||||||
1967 | 35.16 | 41.93 | 42.19 | 48.73 | 62.55 | 74.60 | 81.13 | 85.87 | 75.63 | 50.96 | f | 39.29 | b | 32.19 | 56.30 | a | ||||||||||
1968 | 31.29 | 42.76 | 46.03 | 50.69 | a | 62.93 | a | 66.72 | a | 80.30 | a | 71.00 | a | 66.53 | 50.54 | g | 37.90 | 26.26 | 52.95 | a | ||||||
1969 | 19.39 | 31.50 | 46.42 | 50.37 | 67.52 | 77.00 | 77.65 | 75.61 | 65.73 | 53.53 | a | 40.44 | c | 31.24 | b | 53.03 | ||||||||||
1970 | 28.87 | 41.39 | 44.13 | 47.20 | 63.32 | 74.53 | 78.68 | 79.65 | 61.85 | c | 52.32 | 35.13 | 27.53 | a | 52.88 | |||||||||||
1971 | 32.41 | i | 35.96 | 36.87 | 49.07 | 62.81 | 64.30 | 79.32 | 80.77 | 63.24 | a | 50.23 | 37.33 | 29.16 | 53.55 | a | ||||||||||
1972 | 28.19 | 33.41 | 42.61 | 45.57 | 63.58 | 68.00 | 76.03 | 77.63 | a | 61.40 | 55.81 | 37.20 | 26.61 | 51.34 | ||||||||||||
1973 | 27.23 | 37.89 | 45.61 | 53.30 | 64.23 | 68.27 | 79.42 | 77.71 | 69.40 | 51.32 | 32.63 | 33.26 | 53.36 | |||||||||||||
1974 | 26.42 | 38.07 | 40.19 | 48.57 | 58.20 | a | 72.83 | 74.58 | 78.84 | 73.93 | 59.42 | 37.73 | 34.56 | o | 55.34 | a | ||||||||||
1975 | 32.85 | r | 29.64 | f | 40.04 | d | 49.23 | 61.16 | 67.57 | 82.48 | 72.29 | 75.17 | 55.47 | a | 48.45 | a | 37.04 | c | 58.89 | b | ||||||
1976 | 35.30 | d | 35.59 | b | 39.70 | a | 48.93 | 61.19 | 64.87 | 72.13 | 70.21 | b | 72.03 | 55.19 | 39.93 | 34.42 | 52.46 | |||||||||
1977 | 26.50 | m | 40.57 | 42.84 | 60.60 | 57.55 | 72.90 | 74.06 | 80.84 | 62.53 | 53.03 | 34.31 | a | 29.47 | a | 55.34 | a | |||||||||
1978 | 31.06 | 35.46 | 44.97 | a | 51.83 | 61.13 | 73.17 | 78.77 | a | 73.81 | 59.93 | 57.19 | 34.83 | 27.28 | b | 52.45 | ||||||||||
1979 | 20.41 | b | 33.82 | 47.23 | a | 46.87 | o | ----- | z | 69.67 | l | 79.48 | b | 78.14 | b | 70.36 | e | 58.03 | 34.76 | a | 34.60 | a | 50.76 | c | ||
1980 | 23.76 | b | 33.66 | 41.59 | b | 53.27 | h | 60.45 | b | 63.63 | c | 76.27 | e | 73.19 | d | 67.00 | a | 56.82 | c | 36.20 | 33.57 | a | 51.47 | a | ||
1981 | 33.71 | 36.68 | 48.48 | 50.87 | 60.23 | e | 62.50 | 73.35 | 84.16 | 56.87 | o | 51.67 | a | 38.30 | 29.40 | a | 51.76 | a | ||||||||
1982 | 30.81 | 32.82 | 42.52 | b | 47.47 | 59.06 | 72.67 | 73.55 | 75.43 | a | 66.81 | c | 50.87 | a | 32.90 | 29.06 | 51.16 | |||||||||
1983 | 34.74 | 36.96 | 44.93 | a | 52.90 | 66.23 | a | 66.73 | 68.58 | 76.23 | 63.33 | 54.10 | 38.33 | 20.87 | 52.00 | |||||||||||
1984 | 37.03 | 40.03 | 48.67 | a | 51.31 | a | 57.30 | h | 65.24 | a | 78.87 | a | 77.23 | 65.13 | 50.73 | a | 35.21 | a | 25.33 | a | 52.25 | a | ||||
1985 | 27.10 | 33.71 | 44.23 | a | 53.92 | e | 63.35 | e | 67.83 | 85.48 | 74.94 | 62.56 | c | 49.03 | 29.00 | 23.94 | 51.26 | |||||||||
1986 | 32.68 | 34.19 | b | 47.23 | 50.10 | 60.10 | 75.46 | b | 71.78 | d | 83.87 | 63.67 | 60.28 | b | 38.13 | 27.81 | 53.77 | |||||||||
1987 | 27.29 | 38.54 | 43.87 | a | 57.10 | 64.32 | 73.03 | 75.42 | 77.06 | 77.40 | 64.39 | 41.70 | 27.90 | 55.67 | ||||||||||||
1988 | 27.77 | 40.07 | 43.57 | a | 53.83 | 61.03 | 67.73 | 76.16 | 77.35 | 69.07 | 61.58 | 35.93 | a | 29.26 | 53.61 | |||||||||||
1989 | 35.10 | 29.07 | 38.77 | a | 54.47 | 60.45 | 72.37 | 75.39 | 73.81 | 73.37 | 55.10 | 40.18 | b | 33.16 | 53.43 | |||||||||||
1990 | 33.10 | 35.44 | a | 46.65 | 55.00 | 58.71 | 65.07 | 80.45 | 76.35 | 76.25 | b | 48.23 | 40.59 | a | 23.68 | 53.29 | ||||||||||
1991 | 30.87 | 41.50 | 41.48 | 51.47 | 59.00 | 63.96 | b | 76.86 | b | 76.16 | 73.67 | 56.32 | 35.93 | 34.47 | a | 53.47 | ||||||||||
1992 | 31.52 | 38.29 | a | 50.77 | 54.03 | 68.40 | a | 76.31 | a | 74.10 | 78.61 | 64.10 | 53.81 | 37.23 | 28.29 | c | 54.62 | |||||||||
1993 | 25.41 | b | 35.21 | 43.45 | 49.10 | 68.00 | 64.80 | 66.97 | 73.68 | 71.50 | 58.84 | 35.40 | 27.97 | 51.69 | ||||||||||||
1994 | 37.61 | 31.64 | 47.77 | 56.03 | 64.45 | 67.37 | 82.58 | 77.13 | 74.13 | 53.94 | 33.69 | a | 28.89 | c | 54.60 | |||||||||||
1995 | 24.74 | 36.81 | a | 41.55 | 51.07 | 67.10 | 71.50 | 78.55 | 71.13 | a | ----- | z | 49.03 | a | 39.27 | 30.23 | 51.00 | a | ||||||||
1996 | 30.82 | c | 32.24 | ----- | z | 49.40 | 55.23 | 69.40 | e | 80.94 | 78.86 | b | 65.93 | c | 49.32 | f | 36.07 | c | 26.76 | b | 52.56 | b | ||||
1997 | 28.63 | a | 33.93 | ----- | z | ----- | z | 60.57 | c | ----- | z | 74.81 | 78.96 | c | 67.76 | e | ----- | z | 37.76 | a | 30.83 | b | 51.66 | d | ||
1998 | 30.57 | a | 36.56 | a | 42.59 | b | 53.83 | 64.89 | c | 69.66 | a | 81.55 | 80.97 | 77.67 | 53.87 | a | 37.97 | a | 26.78 | h | 57.28 | a | ||||
1999 | 35.97 | a | 33.75 | 39.13 | 51.07 | a | 57.93 | a | 65.60 | 75.65 | 79.03 | 70.23 | 56.34 | b | 39.31 | a | 33.03 | a | 53.09 | |||||||
2000 | 29.52 | 35.93 | 41.50 | a | 57.52 | c | 60.00 | a | 68.32 | b | 77.70 | d | 80.52 | b | 66.57 | ----- | z | 34.38 | a | 29.27 | a | 52.84 | a | |||
2001 | 31.81 | 37.14 | 46.48 | 51.72 | a | 63.45 | b | 67.37 | 78.50 | a | 81.13 | 72.93 | 50.00 | b | 38.76 | a | 30.87 | a | 54.18 | |||||||
2002 | 32.61 | 35.86 | 38.68 | 52.53 | 59.00 | a | 73.21 | a | 80.97 | b | 79.52 | d | 69.50 | 57.87 | 39.70 | 32.57 | a | 54.33 | ||||||||
2003 | 32.80 | a | 40.11 | 44.43 | a | 51.83 | 61.77 | 75.57 | 84.45 | 81.94 | 73.10 | 57.90 | 34.50 | 29.16 | 55.63 | |||||||||||
2004 | 29.71 | 39.62 | 48.90 | a | 59.07 | 61.84 | 72.48 | a | 79.67 | a | 78.23 | 62.70 | 54.55 | 37.79 | a | 32.07 | a | 54.72 | ||||||||
2005 | 31.97 | 40.35 | b | 47.20 | a | 54.11 | b | 64.42 | 65.03 | 75.71 | 79.19 | 65.70 | 51.48 | 33.70 | 27.35 | 53.02 | ||||||||||
2006 | 34.10 | 35.14 | 41.26 | 51.23 | 60.45 | 69.40 | 80.52 | 78.13 | 69.13 | 55.19 | 32.27 | 28.00 | 52.90 | |||||||||||||
2007 | 26.53 | a | 34.68 | 43.87 | 49.57 | 63.42 | 66.50 | 79.55 | 73.74 | 67.55 | a | 47.84 | 36.80 | 27.65 | 51.47 | |||||||||||
2008 | 24.90 | 38.79 | 41.29 | 46.10 | 61.03 | 65.70 | 76.52 | 74.13 | 67.93 | 51.13 | 37.47 | 26.26 | 50.94 | |||||||||||||
2009 | 30.17 | a | 34.11 | 37.58 | 50.79 | a | 60.77 | 70.62 | a | 79.71 | 77.52 | 68.80 | 46.42 | e | 35.57 | 22.84 | 51.24 | |||||||||
2010 | 31.46 | e | 37.54 | 44.19 | 47.93 | 55.06 | 64.37 | 75.97 | b | 73.16 | 61.47 | 53.35 | 33.97 | 28.39 | 50.57 | |||||||||||
2011 | 31.77 | 32.50 | 38.32 | 44.37 | 54.20 | f | 64.68 | k | 70.27 | a | 78.07 | a | 72.30 | 50.06 | 33.80 | 28.37 | a | 47.98 | b | |||||||
2012 | 29.32 | 33.90 | 39.32 | 49.77 | 58.58 | 61.57 | 77.57 | c | 80.34 | b | 71.46 | b | 52.23 | 36.38 | a | 30.35 | 51.73 | |||||||||
2013 | 27.42 | 38.22 | a | 44.65 | 50.59 | a | 63.41 | b | 66.23 | 80.97 | 74.27 | a | 65.96 | c | 50.16 | 35.97 | 29.94 | 52.32 | ||||||||
2014 | 31.65 | 28.25 | 40.39 | 50.17 | 61.77 | 67.20 | 80.13 | 76.35 | 66.77 | 53.39 | 34.63 | 29.58 | 51.69 | |||||||||||||
2015 | 30.53 | a | 40.32 | 47.32 | 51.77 | 65.13 | 76.73 | 79.29 | 75.48 | 62.70 | 56.55 | 32.40 | 28.00 | 53.85 | ||||||||||||
2016 | 28.00 | 37.79 | 42.81 | 56.93 | 63.06 | 68.73 | 72.16 | 77.58 | 64.03 | 46.52 | 39.70 | 24.13 | 51.79 | |||||||||||||
2017 | 20.77 | 29.46 | 38.81 | 47.23 | 61.13 | 68.10 | 79.74 | 81.42 | 68.30 | 48.74 | 35.37 | 25.90 | 50.42 | |||||||||||||
2018 | 31.23 | 33.89 | 40.19 | 48.23 | 67.90 | 65.93 | 79.35 | 76.52 | 63.10 | 50.61 | 36.63 | 29.48 | 51.92 | |||||||||||||
2019 | 29.71 | 24.86 | 38.74 | 49.77 | 63.94 | 67.97 | 72.23 | 76.71 | 63.00 | a | 46.29 | 36.60 | 28.65 | 49.87 | ||||||||||||
2020 | 31.23 | 37.24 | 41.45 | 51.13 | 60.19 | 64.27 | 74.13 | 76.77 | 68.43 | 52.06 | 35.83 | a | 28.90 | 51.80 | ||||||||||||
2021 | 30.39 | 30.57 | 42.16 | 51.90 | 60.61 | 73.17 | 83.55 | 76.61 | 64.10 | 47.90 | 39.97 | 27.81 | 52.39 | |||||||||||||
2022 | 26.52 | 36.29 | 42.35 | 43.57 | 53.26 | 63.63 | c | 79.23 | a | 80.68 | 68.90 | 59.45 | 30.57 | 22.68 | 50.59 | |||||||||||
2023 | 30.48 | f | 31.52 | g | 37.14 | i | 46.69 | n | 65.60 | f | 69.39 | g | 78.55 | 77.16 | 65.48 | a | 52.00 | 33.67 | 30.84 | 56.28 | f | |||||
2024 | 25.80 | a | 34.86 | 35.80 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.33 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.06 | 36.26 | 43.29 | 51.27 | 61.82 | 68.83 | 77.49 | 77.35 | 68.32 | 53.95 | 36.86 | 29.19 | 52.65 | |||||||||||||
S.D. | 3.97 | 3.92 | 3.31 | 3.44 | 3.29 | 3.95 | 3.71 | 3.19 | 4.56 | 4.46 | 3.16 | 3.31 | 1.44 | |||||||||||||
SKEW | -0.58 | -0.26 | 0.15 | 0.36 | -0.04 | 0.38 | -0.47 | 0.11 | 0.19 | 0.47 | 0.49 | -0.07 | 0.19 | |||||||||||||
MAX | 37.61 | 46.07 | 50.77 | 60.60 | 68.40 | 77.00 | 85.48 | 85.87 | 77.67 | 65.68 | 48.45 | 37.04 | 55.67 | |||||||||||||
MIN | 19.39 | 24.86 | 36.87 | 43.57 | 53.26 | 61.57 | 66.97 | 70.21 | 59.93 | 46.29 | 29.00 | 20.87 | 49.87 | |||||||||||||
YRS | 57 | 60 | 58 | 57 | 56 | 58 | 62 | 62 | 60 | 57 | 61 | 59 | 41 |